replace extension with .crt

tasks/main.yml

@@ -1,7 +1,7 @@
 - name: copy SSL cert
   copy:
     src: "{{ item.source_path }}"
-    dest: "{{ ssl_certs_install_path }}"
+    dest: "{{ ssl_certs_install_path }}/{{ item.source_path | basename | splitext | first}}.crt"
     owner: root
     group: root
     mode: u=rw,g=r,o=r